Gearing.



' B. JBFPBRY.

GEARING.

n 4 A`IILIOATION FILED FEB.V23, 1904.

Patented Oct. 1 3, 1908.

L www.

" {Infor/'a @ya others 'skilledn the -art gearing mechanism Within thetr :.hub 01E-"the yoke, and means 'forssupporting l .sim-have invented a certannew and useful -j f0r1n,f andj-injwhichprovide means forso supporting :thefdill'er 'vide a. device of the cl "which will be simple in '.iln -two` alined shafts,l a.

spnngs' of an automobile.

; STATES QFFIGE.;` I

N o. goose?.l ffspeincatin oinettersfpatent. Patented out. 13, 190131.

lTo' all whom it may concern.' 1 `My invention .will

-Beit known thatI, THOMAS B. JEFFERY', a hereinafter einem urne-Umea states, tesidingaatne. n osha, county offKenoshafState of Wisco-nl as ern'bodiedlin aconvenient with reference tothe accompany- I j .1g-*ure 1 isalongitudinal central-section,

Improvement Geari g, 'and declare the following to.befailhj'clear, and exact-descr1pt1on.of.tl1esame, such 'as will enable land torwliiclgit,pertains 252, Fig". 1.- to, make and use tliesamey i"eierex'iceA beingQfl Thesam'e referencecharacters'gare usedto had' to the accompanying dra. wings,."fwliich l1 designate the same parts in the two figures fhn a part Aofth-is specification. l ofthe drawin r invention relates in general to; cl-iilen- Reference o iaracters A and A2 elntlal@` gearing, and more' particularly to Il-t-"vso alined shafts, such 'for instance as the means forsupporting the gearing foivfrotating'; .two `parts of the rear axle of an'automobile. the rear axleof an 'automobile'. When thetwo shafts constitute the reara'xle n automobileslns usually construeted .tl1e' g of 'ana'utomobile the out-er ends of veaclfrhas i'earaxleconsists inf two. a-lined shaftsf-fthe fixed thereon one'of'the'rear wheels, as illus-` inner ends of which are provided with 'diiferltratedl in- Eig; 1` at the .right there'0f.- ential gearing by.meansofwhiclirotary mo-y 4 tion is communicatedto the aade'iromthe-4 .which radiate the spokes b, b. "lllfie inner Wertransmission `driven by..tl1e` engine. ends ofthe .spokes are's'ecured in sockets 'or to my invention, vso fair/ as `I ami-'awarq' terrified` between a, such. dilferentialgearing has been .supported preferably formed integral with the inner -nd 4directly upon the aileytherebyimposing the' of the hub and aremovable disk B2 mounted strain incident tothe'rOtatOnO'thereraxle l onthe 1outer end of thehub and havingaupon the axle itself.` I sleeve projecting laterally beyond the/same.

he primaryobject -offmy invention is to' Any lsuitable means may touring the 's' okes tc the hub, such y*fox-in-` ential gearing for rota-ting two'alined shafts; such for instancef'asconstitute ftliefrear axle ofan automobile,jtliat the strain will `b e-re- `lhub, oved frornthe axle and resistedffby the frame which supportsthe-axle- 'A further object-ofmy inventionisto roiaracterzdescnbed ing a 'flange construction. inexfv hub pensive in manufacture, andeffic-ient in operation. V E 'thecnd' 0f v.the ax-leand the nut-thereon.

Myinvention.; fgenerallyzdeseribed,".consists w Bindicates a; cylindrical flange carried b v hollowl o'wr trans'- the'"hub'whicliis-adapted to be inission memberthehubs of wiehgconcen` bra,life-barid.`4 .trically surround theinnerends'of this sh'afts, .C .and'C2 designate tubes'which-'surround ansmission. the twoalined member for commu nicatingrotary` niotio'n to ported. at their the two shafts2 sleeves surroundingland lonautomobile. 1"Eacl1 tube is provided at its gitudHa-Y- 'adjust/f2 51er 011 the'hubs. of, 'the--outex'end with'an outer tube C having an .intran'emission member-,1a. yoke within which the transmission member' ;rot-ates',` said yoke.;

the .end of the tube. A'langec of'gi'eatel" having hubs surrounding-the portions'of the l radius than; the tube @extends of fthe. transmission qthe end thereof and .forms ay raceway between each of saidsleeveslandtlie adj acent 1ers D. `Q-Such'rollers 'may beef :construction and 4are'sllowlfi-fas journaled at lfln'or'e fully described i' 'parts of the yoke being shown elevation;A

1g: 2 a transverse sectional-view on lmel designates the hub of a wheel frein bafdesi ateskevsexten'din throuoh the l e s and engaging recesses-1n the a-Xle vtonggageme'ntwitlithe `end of theaxle and havl 'whichengages the .end of thefl I" tffdes'gnates theiusdaifeap `-which Cove@ .shafts and are. rigidly sup-4 outer ends by the freine of the wardl'yle'xtend-ing'flange e-whichrests against 105 laterally from v 'nfnember, antiffrict'ion bearings interposed` ilwhichis located af seriesjof anti-frctionroll anyjsuitable.. "1 10 4 th'eiropposite" ends in disks which encircle ing drawing in which the same isillustrated s.

and practical;

designate I disk extending around and .i I

be provided for scengaged by lwhich engageexterior screw threads on, the

. such longitudinalad'ustment are shown as two parts ofthe transmission member. lr and 4 4Q ofthe respective. split collarsK and Kt peripheries in grooves formed in the race- 1 ways rotating relatively to the hubs.-

`lows: Rotary 'motion is imparted to the .transmission member F from any suitablev movement of the rollers around the same.

Eand E2, 1s supported upon 4the inner ends of the tubes C andvC2, preferably by means and G2 adapted tn freely rotate about Vtion :thereto-l `The. two parts ofthe trans'- mission member are provided with outwardlyf 2 and are preferably longitudinally adjust-f lin the" recesses in thefhubs of the yoke in i which the balls of the bearings are located.

erably insertedin the fla-nge to be engaged by the rollers, while a bushing D surrounds the shaft to receive the wear incident to the of interiorlyscrew threaded hubs e and e2 tubes. Located within the yoke is a hollovT transmission member F, j referably composed ofA two portions F an F2. J'ournaled Within the transmission member are pin-ions rods g and g2. These pinions mesh with gear Wheelsa. and a2 fixed' uponthe inner ends of .the shafts' A- and A2, and impart rotary moprojecting hubs f and f 2 which surround the shafts vand within which the shafts rotate. Sleeves Hfand H2 surround the hubs f' and able thereon. kThe means for permitting qonsisting in split rco lars K .and K2 having interiorscrew threadsin enga ementwith exterior. screw threads onthe s eeves. lThe collars are provided with radial flanges which engage 'the adjacent exteriorsurfaces of the Wdesignate clamp screws for uniting the ends Locate-d within theannular recesses formed in. the hubs e and e2 ofthe yoke are ball bearings L. Such bearings engage the ends of the sleeves H and H2 which are preferably tapered, as indicated in the drawingr L and L2 designate race-ways seated withl and Z2 designate rings which surround the sleeves H and H2 and engage at their outer L and L2 therebyV securely retainingthe ball bearings'within the race-ways. 1

Registering longitudinal grooves are formed in the hubsof the transmission memberand surrounding sleeves' in which keys may be located to prevent the sleeves from.

The operation of myinvention is as fol# source of power by'means of a sprocket chain enga (ring the'radialteeth onthe transmission member. The rotary mot-ion imparted to the transmission member is communicated to the alined shafts through the interposed pinions G and G2 and gear wheels a. and a2. As the sleeves H and H2 are non-rotatively secured to the hubs of the transmission member, the wear and strain incident. to the roto tion of the transmission member is imposed through the ball bearings upon the yoke, and as the yoke is rigidly supported-upon the tubes Cand C2,w ich in turn'are rigidly secured to the supporting frame, the-strain is relieved from the alin'ed shafts and imposed upon the supporting frame by which the yoke is carried.

The Wear incident to the rotation of the transmission member relatively to the yoke may be 'readily taken up by adjusting the sleeves'H andi-i2. Such adjustment of the sleeves may be made bv loosening the split collars Kand Kz andI then screwing the sleeves outwardly with res rect thereto, after which the set screws k and k2 are readjusted to tightly clamp the sleeves in' their adjusted positions. 7

The rotary motion communicated to the shafts when they constitute the rear axle of an automobile propels the vehicle by driving vthe rear wheels iixed on the outer ends of the shafts.

1From the foregoing description it will be observed that' I have invented mechanism for so supporting the differential gearing which rotates two alined shafts, that the strain and wearincident to the rotation is relieved entirely from-the shafts and imposed .upon thesupporting framework. It will be further observed that the adjacent ends .of the shafts are kept in dperfectalinement and aresecurely supporte by' means of the differential gearing through. its engagement vwith the surrounding yoke.

- While I' have 'described more or less pre.- cisely the details of construction, l do not Wish'to be understood. as limiting myself there'to, as l contemplate changes in form, the proportion of parts, and the substitution lof equivalents, as circumstances may suggest or render expedient, Without departing from the spirit of my invention.

` Having now fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1; The combination with a pair of alined shafts, of a rotary. power transmissioninember-having hubs` surrounding the adjacent ends of the shafts, exteriorly screiv-threaded sleeves keyed upon said hubs so as to be movable axially ofthe hubs :1nd immovable angularly with respect to the hubs, collars having screw-threads for engaging the screwthreads' upon the hubs, the ends of said collars abutting against the sides of said transmission member, circular supports surround- .ing said, hubs, and anti-friction bearings interposed between the ends of sind sleeves and said supports.

2.x The combinationl with a' pair' of aimedshafts, of a rotary power lara' 11smissi'oninein-4 ber having hubs .surrounding the adjacent' v. ends' o f the shafts, interposed gearing g be 5 tween said member. and shafts,aXia1iy"ad-= jstable sleeves upon saidhbs, iixedeiifcu'-v lar supports surrounding said hubs, anti-frictionbearings interpose said sleeves and 'said supports, andsplit-co1- 10 surrounding and :in screw threaded' enga e- Lnent with said sleeves whereby the latter may' `be locked in any'` desied axial adjustment;

3. :The combination `with a pair e' alined 154 shafts, of gears fixed to the adjacentends of between the ends of.

larsat either side ofsai'd trans'mlssion memberv lsaid shafts, a i'otaiy Power transmission ymember `surroundingl.sald gears and having hubs surrounding t e endsl of said shafts,

'cirquiar beai'in sil surrounding said hubs for Slippoit'in sai member, and a yoke extending aroun `said membe and rigidly'uniting sald' bearings, sidyo'ke being divided into ,.tiivoequal' parts ,on a piane passing midway.

between said gears. IIn testimony whereof, I sign this specifica-'- 25 tion in the pife'seileel of vtwo Witnesses.

THOSABJEFFERY.' l 'Witnessesz 4 -4 i GEO. L. WILKINSON, y AC.` C. CUNNINGHAM', 

